recordings of john f. kennedy," which includes more than two hours of taped conversations from jfk's oval office and cabinet room, including this phone call between president kennedy and general dwight d. eisenhower, discussing the cuban missile crisis. >> general, what about if the soviet union -- khrushchev -- announced tomorrow, which i think he will, that if we attack cuba, that it's going to be nuclear war? and what's your judgment as to the chances they'll fire these things off if we invade cuba? >> oh, i don't believe that they will. >> you don't think they will? in other words, you would take that risk if the situation seemed desirable? >> well, as a matter of fact, what can you do? if this thing is such a serious thing here on our flank, that we're going to be uneasy and we know what thing is happening now, all right, you've got to use something. >> yeah. >> something may make these people shoot them off. i just don't believe this will. >> yeah, right. >> in any event, of course, i'll say this. i'd want to keep my own people very alert. >> yeah, well, hang on tight. >> yes, sir.